{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:N4S4HTV3S6K3EGBIGYS3JCISFS","short_pith_number":"pith:N4S4HTV3","canonical_record":{"source":{"id":"2501.16001","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-01-27T12:37:56Z","cross_cats_sorted":["physics.app-ph","physics.class-ph","physics.comp-ph","physics.optics"],"title_canon_sha256":"4b6d4799878ef52bea6cd5ebbcc5f14fa64d6a2537a018ddfd544df105ee43e5","abstract_canon_sha256":"ce17d4fa9d943ac068541b83168d294bcccb85ffe7581821e86f5bb57e3d6ba0"},"schema_version":"1.0"},"canonical_sha256":"6f25c3cebb9795b218283625b489122cb192691a34e7d335d4b77b51e76bdaf8","source":{"kind":"arxiv","id":"2501.16001","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.16001","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"arxiv_version","alias_value":"2501.16001v1","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.16001","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"pith_short_12","alias_value":"N4S4HTV3S6K3","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"pith_short_16","alias_value":"N4S4HTV3S6K3EGBI","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"pith_short_8","alias_value":"N4S4HTV3","created_at":"2026-07-05T11:39:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:N4S4HTV3S6K3EGBIGYS3JCISFS","target":"record","payload":{"canonical_record":{"source":{"id":"2501.16001","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-01-27T12:37:56Z","cross_cats_sorted":["physics.app-ph","physics.class-ph","physics.comp-ph","physics.optics"],"title_canon_sha256":"4b6d4799878ef52bea6cd5ebbcc5f14fa64d6a2537a018ddfd544df105ee43e5","abstract_canon_sha256":"ce17d4fa9d943ac068541b83168d294bcccb85ffe7581821e86f5bb57e3d6ba0"},"schema_version":"1.0"},"canonical_sha256":"6f25c3cebb9795b218283625b489122cb192691a34e7d335d4b77b51e76bdaf8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:39:06.989330Z","signature_b64":"S5wTO0X2/vf0PBGI7vQR19x5F1bTjMqywk1WIXrQoDYKnyMiicpVdatvYIMBbTzoA/PAIXZ8R/3WBTcdAQuYAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f25c3cebb9795b218283625b489122cb192691a34e7d335d4b77b51e76bdaf8","last_reissued_at":"2026-07-05T11:39:06.988842Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:39:06.988842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.16001","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:39:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jlsiq0AYPCK33WM/fDoABHqioEeE1WGqMfXJZN7mf/c0vhc08jI3D8UC/X61t0A/+2WPo1SFOFuh85g2kpKYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T08:44:09.414493Z"},"content_sha256":"9744b7ce31b9c05f297aeeb29b96368d3c7d97b87c351e71e68a63ccc5573634","schema_version":"1.0","event_id":"sha256:9744b7ce31b9c05f297aeeb29b96368d3c7d97b87c351e71e68a63ccc5573634"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:N4S4HTV3S6K3EGBIGYS3JCISFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single-shot capable surface acoustic wave dispersion measurement of a layered plate","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph","physics.class-ph","physics.comp-ph","physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Clemens Gr\\\"unsteidl, Edgar Scherleitner, Georg Watzl, Martin Ryzy, Martin Schagerl, Mike Hettich, Stefan Eder","submitted_at":"2025-01-27T12:37:56Z","abstract_excerpt":"Established techniques for characterizing a layer on a substrate system via surface acoustic wave (SAW) dispersion measurement are often slow due to the need for scanning excitation or detection positions. We present a method for determining discrete points on the SAW mode at equidistant wavenumbers that requires only a single measurement, overcoming these speed limitations. A pulsed laser, shaped into an array of equidistant lines, generates elastic waves on the sample surface. A vibrometer detects the resulting surface displacement next to the line array. The periodic excitation arrangement "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.16001","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.16001/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:39:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GljW7Jxbhf/4akKUWRW/9QH7vl0vdsXSaXDdVADtRiV6xaSECEbEdYXcbRkwVNd9TXLJMGNJaEl8NG26yzfVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T08:44:09.415016Z"},"content_sha256":"dd31a4730354e1c5ab25e2b9dcd8b834caf1b4b17844128e69b6630eab297ac5","schema_version":"1.0","event_id":"sha256:dd31a4730354e1c5ab25e2b9dcd8b834caf1b4b17844128e69b6630eab297ac5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N4S4HTV3S6K3EGBIGYS3JCISFS/bundle.json","state_url":"https://pith.science/pith/N4S4HTV3S6K3EGBIGYS3JCISFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N4S4HTV3S6K3EGBIGYS3JCISFS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-11T08:44:09Z","links":{"resolver":"https://pith.science/pith/N4S4HTV3S6K3EGBIGYS3JCISFS","bundle":"https://pith.science/pith/N4S4HTV3S6K3EGBIGYS3JCISFS/bundle.json","state":"https://pith.science/pith/N4S4HTV3S6K3EGBIGYS3JCISFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N4S4HTV3S6K3EGBIGYS3JCISFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:N4S4HTV3S6K3EGBIGYS3JCISFS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ce17d4fa9d943ac068541b83168d294bcccb85ffe7581821e86f5bb57e3d6ba0","cross_cats_sorted":["physics.app-ph","physics.class-ph","physics.comp-ph","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-01-27T12:37:56Z","title_canon_sha256":"4b6d4799878ef52bea6cd5ebbcc5f14fa64d6a2537a018ddfd544df105ee43e5"},"schema_version":"1.0","source":{"id":"2501.16001","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.16001","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"arxiv_version","alias_value":"2501.16001v1","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.16001","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"pith_short_12","alias_value":"N4S4HTV3S6K3","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"pith_short_16","alias_value":"N4S4HTV3S6K3EGBI","created_at":"2026-07-05T11:39:06Z"},{"alias_kind":"pith_short_8","alias_value":"N4S4HTV3","created_at":"2026-07-05T11:39:06Z"}],"graph_snapshots":[{"event_id":"sha256:dd31a4730354e1c5ab25e2b9dcd8b834caf1b4b17844128e69b6630eab297ac5","target":"graph","created_at":"2026-07-05T11:39:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2501.16001/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Established techniques for characterizing a layer on a substrate system via surface acoustic wave (SAW) dispersion measurement are often slow due to the need for scanning excitation or detection positions. We present a method for determining discrete points on the SAW mode at equidistant wavenumbers that requires only a single measurement, overcoming these speed limitations. A pulsed laser, shaped into an array of equidistant lines, generates elastic waves on the sample surface. A vibrometer detects the resulting surface displacement next to the line array. The periodic excitation arrangement ","authors_text":"Clemens Gr\\\"unsteidl, Edgar Scherleitner, Georg Watzl, Martin Ryzy, Martin Schagerl, Mike Hettich, Stefan Eder","cross_cats":["physics.app-ph","physics.class-ph","physics.comp-ph","physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-01-27T12:37:56Z","title":"Single-shot capable surface acoustic wave dispersion measurement of a layered plate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.16001","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:9744b7ce31b9c05f297aeeb29b96368d3c7d97b87c351e71e68a63ccc5573634","target":"record","created_at":"2026-07-05T11:39:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ce17d4fa9d943ac068541b83168d294bcccb85ffe7581821e86f5bb57e3d6ba0","cross_cats_sorted":["physics.app-ph","physics.class-ph","physics.comp-ph","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-01-27T12:37:56Z","title_canon_sha256":"4b6d4799878ef52bea6cd5ebbcc5f14fa64d6a2537a018ddfd544df105ee43e5"},"schema_version":"1.0","source":{"id":"2501.16001","kind":"arxiv","version":1}},"canonical_sha256":"6f25c3cebb9795b218283625b489122cb192691a34e7d335d4b77b51e76bdaf8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f25c3cebb9795b218283625b489122cb192691a34e7d335d4b77b51e76bdaf8","first_computed_at":"2026-07-05T11:39:06.988842Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:39:06.988842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S5wTO0X2/vf0PBGI7vQR19x5F1bTjMqywk1WIXrQoDYKnyMiicpVdatvYIMBbTzoA/PAIXZ8R/3WBTcdAQuYAA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:39:06.989330Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.16001","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9744b7ce31b9c05f297aeeb29b96368d3c7d97b87c351e71e68a63ccc5573634","sha256:dd31a4730354e1c5ab25e2b9dcd8b834caf1b4b17844128e69b6630eab297ac5"],"state_sha256":"e91754230a55fb7591a09de079f9efaed4b3926a60d9a05176ebd446e8b9cf84"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B+a4lKon2uJ+jxOWjOhrWoHSD4J1KZs2+/+taUET4OyD6QbTkSTMG5qJDty+0uFFU/geBP/ezTLDuDkvxpV6BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T08:44:09.419805Z","bundle_sha256":"f288532e4b6242a2ee2f40f19744da24892045b433799daec0e1ccddf1dc58cd"}}